<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <meta http-equiv="X-UA-Compatible" content="ie=edge">
  <title>Document</title>
  <style>
    body {
      background: #fff;
    }
    div {
      width: 150px;
      height: 290px;
      background: url(./2.png) no-repeat 0 0;
      animation: walk 1s steps(8, end) infinite;
    }

    @keyframes walk {
      100% {
        background-position: -1200px 0;
      }
    }
  </style>
</head>
<body>
  <div></div>
</body>
</html>